Feature(may vary by option.)

●External Size: 1.5 x 1.3 x 0.5 inches (37 x 33
●Weight: 11g
●Cycling speed sensor that does not require magnets
●High-tech Dual Bluetooth System
●CR2032 button battery included (replaceable)

[Cadence Sensor]

[Speed Sensor]

Description

From the Manufacturer

LEZYNE Pro Speed Sensor Cycle Computer Speedometer Bicycle Speed Sensor

External Size: 1.5 x 1.3 x 0.5 inches (37 x 33 x 13 mm); Weight: 0.4 oz (11 g); No magnetic cycling speed sensor, high-tech dual Bluetooth system CR2032 button battery included (replaceable).